1-Point Pelee Park depending on the day almost anybeach as long as you are careful
2- Rondeau Park near tip
3- Pierce Prov Park--good
4- Big Bend Consevation area
5- Port Stanley - go far to the east of the last parking lot
6- Long Point
7- Pinery Park --northern beach areas but be discreet
8-Point Farms same as above
9- Giant Earthworks Historic site

And many other consevation areas that don't see many visitors. I have sunned with my wife at many places and hiked as well but be carefuland dare to bare!